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datasheet ds000563 AS6200C digital temperature sensor v 2 - 01 ? 2018 - apr - 13
document feedback AS6200C content guide datasheet ? public ds000563 ? v 2 - 01 ? 2018 - apr - 13 35 2 content guide 1 general description ....................... 3 1.1 key benefits & features .............................. 3 1.2 applications ................................ .................. 3 1.3 block diagram ................................ .............. 4 2 ordering information ..................... 5 3 pin assignment ............................. 6 3.1 pin diagram ................................ .................. 6 3.2 pin description ................................ ............. 6 4 absolute maximum ratings .......... 8 5 typical operating characteristics 9 5.1 analog system parameters ......................... 9 5.2 digital system parameters ......................... 10 6 register description .................... 11 6.1 register overview ................................ ...... 11 6.2 detailed register descripti on .................... 12 6.3 serial interface ................................ ........... 22 7 application information .............. 30 7.1 external components ................................ 31 8 package drawings & markings ... 32 9 revision information ................... 34 10 legal information ........................ 35
document feedback AS6200C general description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 3 1 g e neral description the AS6200C ic is a high accuracy temperature sensor system that communicates via a 2 wire digital bus with other devices. it consists of a si bandgap temperature sensor, an adc and a digital signal processor. it has a very high temperature accuracy (0.2 c between - 10 c to 20c) and an ultra - low power consumption (low operation and quiescent current) which makes it ideally suited for mobile/battery powered applications. the AS6200C is an easy to integrate and use solution, featuring a f actory - calibrated sensor, integrated linearization and the possibility to use 2 different i2c addresses, enabling to use two AS6200C devices on one bus. additionally the AS6200C temperature sens or system also features an alert functionality, which triggers e.g. an interrupt to protect devices from excessive temperatures. 1.1 key benefits & features the benefits and features of AS6200C , are listed below : figure 1 : added valu e of using AS6200C benefits features high measurement accuracy 0.2 c ( - 10 c to 20 c) 0.25c ( - 20 c to - 10 c) 0.4 c ( - 30 c to - 20 c and 20 c to 50 c) 1 c remaining operating temperature span low power consumption 6 a @operation (typical, @ 4 hz) 0 . 1 a @standby (typical) supply voltage range 1.8 C 3.6 v small pcb footprint 1 . 5 mm x 1 mm (wlcsp) 1.2 applications cold c hain monitoring data loggers cold chain storage systems refrigerators and cooling systems
document feedback AS6200C general description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 4 1.3 block diagram the functional blocks of this device are shown below: figure 2 : functional blocks of AS6200C in figure 2 the functional blocks are depicted. the sensing element for sensing t he temperature is a si bipolar transistor. the analog signal of the sensing element is converted into a digital signal by the a/d converter and the signal is further processed by a digital signal processor and written into the registers. the registers can be accessed via the serial bus interface (i2c bus).
document feedback as620 0c ordering information datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 5 2 ordering information ordering code package marking delivery form delivery quantity as6200 c - awlm - s wlcsp as6mcc tape & reel 500 pcs/reel as6200 c - awlt - l wlcsp as6mcc tape & reel 5000 pcs/reel
document feedback AS6200C pin assignment datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 6 3 pin assignment 3.1 pin diagram figure 3 : pin assignment wlcsp in figure 3 the pin assignment of the wlcsp package is shown. the viewing side is from the bottom. the a1 pin is also marked with a point on the top side 3.2 pin description figure 4 : pin description of AS6200C (wlcsp) pin number pin name pin type ( 1 ) description a1 alert do_od alert output (interrupt) a2 vss s ground pin a3 scl di_s serial interface clock b1 add0 di_s address select pin b2 vdd s positive supply voltage
document feedback AS6200C pin assignment datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 7 pin number pin name pin type ( 1 ) description b3 sda di_sod serial interface data (1) explanation of abbreviations: s digital input do_od digital output open drain di_s digital schmitt trigger input dio_sod digital schmitt trig in figure 4 the pins of AS6200C are described. external pull up resistors are necessary for the pins alert, sda & scl. the pin add0 must not be left unconnected (refer to the bus address section for further details).
document feedback AS6200C absolute maximum ratings datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 8 4 absolute maximum ratings stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only. functiona l operation of the device at these or any other conditions beyond those indicated under operating conditions is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. figure 5 absolute maximum ratings of AS6200C symbol parameter min max unit comments electrical parameters v sup / v gnd supply voltage to ground - 0.3 4 v v in input pin voltage to ground - 100 100 v electrostatic discharge esd hbm electrostatic discharge hbm 2000 v temperature ranges and storage conditions t a operating ambient temperature - 40 125 c r thja junction to ambient thermal resistance c/w t j operating junction temperature 125 c t strg storage temperature range - 55 125 c t body package body temperature 260 c ipc/jedec j - std - 020 ( 1 ) r hnc relative humidity (non - condensing) 5 85 % msl moisture sensitivity level 1 (1) the reflow peak soldering temperature (body temperature) is specified according to ipc/jedec j - std - 020 moisture/reflow sensitivity classification for nonhermetic solid state surface mount devices.
document feedback AS6200C typical operating characteristics datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 9 5 typical operating characteristics the AS6200C is a complete sensor system that has an integrated sensing element, the analog frontend, the a/d converter and the digital signal processing part. the digital signal processing part consists of the signal processor, the registers and t he serial bus interface. 5.1 analog system parameters figure 6 : analog system parameters of AS6200C parameter symbol min typ max unit note supply voltage vdd 1.8 2.0 3.0 3.0 3.6 3.6 v t= 0c to 125c t= - 40c to 125 c temperature range t - 40 125 c standby current consumption idd 0.1 0.3 0.4 0.9 a t= - 40 c to 65c t= 65 c to 125c current consumption (4 conversion /s) idd 6 7 16 a t= - 40 c to 65c serial bus inactive t= 65 c to 125c serial bus inactive accuracy ( 1 ) t_err - 1.0 - 0.4 - 0.2 - 0.2 - 0.4 - 1.0 1.0 0.4 0.25 0.2 0.4 1.0 c t= - 40c to - 30c t= - 30 c to - 20 c t= - 20 c to - 10 c t= - 1 0 c to 20 c t= 20c to 5 0c t= 50 c to 125 c resolution n 12 bits conversion time ts 24 32 40 ms conversion rate ns 0.25 1 4 8 0.35 1.35 5.5 10.7 conv/s cr[1:0]=00 cr[1:0]=01 cr[1:0]=10 cr[1:0]=11 (1) the accuracy is based on measurements and reflects 3 statistics . in figure 6 an overview of the analog system parameters is given.
document feedback AS6200C typi cal operating characteristics datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 10 the current consumption for less than 4 conversions per second is lower than the values given in figure 6 . 5.2 digital system parameters figure 7 : digital system parameters of AS6200C parameter symbol pins min max unit note high level input voltage v_ih scl, add0 0.7 * vdd v low level input voltage v_il scl,add0 0.3 * vdd v low level output voltage v_ol alert vss+0.4 v i_ol=3ma high level input voltage v_ih sda 0.7 * vdd v low level input voltage v_il sda 0.3*vdd v low level output v oltage v_ol sda vss+0.4 v tristate leakage current i_oz sda - 10 10 a to vss in figure 7 an overview of the digital system parameters is given.
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 11 6 register description 6.1 register overview figure 8 : register map with serial interface in figure 8 the registers that the device contains are shown. with the use of the index register, it is possible to address the specific register. the index register is an 8 - bit register, where only bits 0 and 1 are used as shown in figure 9 and all other bits are set to 0 and read only 6.1.1 index register figure 9 : index register bit bit name de fault access 0 address bit 0 rw 1 address bit 0 rw 2 r eserved 0 ro 3 r eserved 0 ro 4 r eserved 0 ro 5 r eserved 0 ro 6 r eserved 0 ro 7 r eserved 0 ro t v a l ( r e a d o n l y ) c o n f i g ( r e a d / w r i t e ) t l o w ( r e a d / w r i t e ) t h i g h ( r e a d / w r i t e ) i n d e x ( r e a d / w r i t e ) s e r i a l i n t e r f a c e 0 x 0 0 x 1 0 x 2 0 x 3 s c l k s d a
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 12 figure 10 : register map address symbol register description 0x0 tval temperature register contains the temperature value 0x1 config configuration register configuration settings of the temperature sensor 0x2 tlow t low register low temperature threshold value 0x3 thigh t high register high temperature threshold value the 2 bit addresses in the index register define the access to the registers shown in figure 10 . this means that in order to access the different registers, the index register must be set accordingly. with the exception of the tval register (which contains the temperature value data), all registers are read/write accessible. 6.2 detailed register description 6.2.1 configuration register ( ad dress 0x1 ) figure 11 : configuration register addr: 0x1 bit bit name default access bit description 0 reserved 0 ro reserved 1 reserved 0 ro reserved 2 reserved 0 ro reserved 3 reserved 0 ro reserved 4 reserved 0 ro reserved 5 al 1 ro alert bit (al) 6 cr 0 rw conversion rate (cr) 7 cr 1 rw conversion rate (cr) 8 sm 0 rw sleep mode (sm) 9 im 0 rw interrupt mode (im) 10 pol 0 rw polarity (pol) 11 cf 0 rw consecutive faults (cf) 12 cf 0 rw consecutive faults (cf) 13 reserved 0 ro reserved
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 13 addr: 0x1 bit bit name default access bit description 14 reserved 1 ro reserved 15 ss 0 rw single shot the configuration register is a 16 - bit register which defines the operation modes of the device. any read/write operations processes the msb byte first . in figure 11 the configurati on register is shown. the bits 0 - 4 and 13 - 14 are not to be used and are set to read only. the explanation of the other bits are detailed in the following sections . 6.2.2 alert bit the alert bit can be used to easily compare the current temperature reading to the thresholds that can be set in the tlwo and thigh registers. if the polarity bit is set to 0, the al bit is read as 1 until the converted temperature value exceeds the define d value in the high temperature threshold register thigh for the number of defined consecutive faults (bits cf). such an event causes the al bit to toggle to 0 and the value is kept until the converted temperature value falls below the defined value in the low temperature threshold register tlow for the number of defined consecutive faults. if this condition is met, the al bit is reset to 1 . the polarity bit (pol) defines the active state of the alert bit as depicted in the following figure. the alert bit h as the same setting as the alert output as long as the device is configured for the comparator mode. figure 12 : state diagram of the alert bit
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 14 6.2.3 conversion rate bits the conversion rate bits define the number of executed tempera ture conversions per time unit. additional readouts of the temperature register between conversion s are possible but not recommended because the value is changed only after a conversion is finished. values of 125ms, 250ms, 1s and 4s per conversion can be c onfigured while the de fault rate is set to 250ms. this corresponds to a value of 4 conversions per second. the following table summarizes the different configuration settings: figure 13 : conversion rate configuration conversion rat e bits conversion rate conversion frequency bit 7 bit 6 0 0 4 s 0.25 hz 0 1 1 s 1 hz 1 0 250 ms 4 hz (default) 1 1 125 ms 8 hz the device immediately starts a conversion after a power - on sequence and provides the first result after typ. 32ms (max. 40ms). a higher power consumption occurs during the actual conversion while the device stays in the standby mode after a finished conversion until the next conversion is activated as shown in the following figure. figure 14 : conve rsion sequence 6.2.4 sleep mode the sleep mode is activated by setting the bit sm in the configuration register to 1. this shuts the device down immediately and reduces the power consumption to a minimum value .
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 15 the serial interface is the only active circuit ry in the sleep mode in order to provide access to the digital registers. after resetting the sm bit to 0, the device enters the continuous conversion mode. figure 15 : sleep mode configuration sleep mode bit operation mode 0 conti nuous conversion mode 1 sleep mode 6.2.5 interrupt mode the interrupt mode bit defines whether the device operates in the temperature comparator mode or the interrupt mode. this defines the operation of the alert output as described in the polarity section bit. figure 16 : interrupt mode configuration interrupt mode bit configuration mode 0 comparator mode 1 interrupt mode the comparator mode is characterized that if the temperature value exceeds the thigh value, the alert output is changed (e.g. from high to low if the polarity bit is set to 0 and vice versa). the alert output stays in that condition until the measured temperature drops below the defined tlow value. the interrupt mode is characterized that it changes the alert output as soon as the measured temperature crosses the thigh or tlow value threshold . the alert bit has the same setting as the alert output if the device is set to comparator mode .
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 16 figur e 17 : alert output functionality 6.2.6 polarity bit the polarity bit configures the polarity of the alert output. if the polarity bit is cleared, the alert output is low active while it becomes high active if the polarity bit is set to 1. figure 18 : polarity bit configuration polarity bit alert output 0 active low 1 active high
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 17 6.2.7 consecutive faults a fault condition persists if the measured temperature either exceeds the configured value in register thigh or falls below the defined value in register tlow. as a result, the alert pin indicates the fault condition if a defined number of consecutive temperature readings meets this fault condition. the number of consecutive fau lts are defined with two bits (12 a nd 11) and prevent a false alert if environmental temperature noise is present. the register configuration is shown in the following table. figure 19 : consecutive faults bit settings consecutive fault bits consecutive faults (n) bit 12 bit 13 0 0 1 0 1 2 1 0 3 1 1 4 6.2.8 single shot conversion the device features a single shot measurement mode if the device is in sleep mode (sm=1). by setting the single shot - bit to 1, a single temperature conversion is started and the ss - bit can be read as 1 during the active conversion operation. once the conversion is completed, the device enters the sleep mode again and the ss - bit is set to 0. the single shot conversion allows very low power consumption since a temperature conversion is exe cuted on demand only. this allows a user defined timing of the temperature conversions to be executed and is used if the consecutive operation mode is not required. as the device exhibits a very short conversion time, the effective conversion rate can be i ncreased by setting the single shot bit repetitively after a conversion has finished. however, it has to be ensured that the additional power is limited, otherwise self - heating effects have to be considered. figure 20 : single shot conversion bit settings single shot bit conversion 0 no conversion ongoing/ conversion finished 1 start single shot conversion / conversion ongoing
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 18 6.2.9 high and low limit registers if the comparator mode is configured (im=0), the alert output becomes active if the temperature equals or exceeds the defined value in register thigh for the configured number of consecutive faults (n). this configuration is defined by the field cf in the configuration register. the alert output remains assigned until the converted temperature value equals or falls below the defined value in register tlow for the same number of consecutive fault cycles. if the interrupt mode is configured (im=1), the alert output becomes active if the temperature equals or exceeds the defined value in register thigh for the configured number of consecutive fault cycles. it remains active until a read operation is executed on any register. the alert output is also cleared if the device is set into sleep mode by setting bit sm in the configuration register. once the alert output is cleared, it is activated again only if the temperature value falls below the configured value in register tlow. it remains active unless a read oper ation has taken place. this sequence is repeated unless the device is set into the comparator mode or reset by the general call reset command. this reset command clears the interrupt mode bit and consequently puts the device into the comparator mode. the s equential behavior is summarized in the following figure.
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 19 figure 21 : alert operation modes the following table defines the content of the registers tlow and thigh. for data transmission, the msb byte is transmitted first, followed by the lsb byte. the data format for representing the threshold temperatures is equal to the temperature register (tval). after a power - up, the registers are initialized with the following default values : a l e r t o u t p u t c l e a r e d a l e r t o u t p u t a c t i v e a l e r t o u t p u t c l e a r e d a l e r t o u t p u t a c t i v e t t h i g h f o r n c o n s e c u t i v e c y c l e s r e a d o p e r a t i o n o r s e t t o s l e e p m o d e t t l o w f o r n c o n s e c u t i v e c y c l e s r e a d o p e r a t i o n o r s e t t o s l e e p m o d e i n t e r r u p t m o d e a l e r t o u t p u t c l e a r e d a l e r t o u t p u t a c t i v e c o m p a r a t o r m o d e t t h i g h f o r n c o n s e c u t i v e c y c l e s t t l o w f o r n c o n s e c u t i v e c y c l e s i m = 1 i m = 0 g e n e r a l r e s e t c o m m a n d
document feedback as6200 c register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 20 figure 22 : defaul t values for thigh and tlow register temperature binary value tlow 75 c l11 to l0 = 0100 1011 0000 thigh 80 c h11 h0 = 0101 0000 0000 the following table defines the register bits of the thigh and tlow register. figure 23 : re gister bit settings for thigh/tlow addr: 0x2 / 0x3 bit bit name for tlow bit name for thigh access 0 0 0 rw 1 0 0 rw 2 0 0 rw 3 0 0 rw 4 l1 h1 rw 5 l2 h2 rw 6 l3 h3 rw 7 l4 h4 rw 8 l5 h5 rw 9 l6 h6 rw 10 l7 h7 rw 11 l8 h8 rw 12 l9 h9 rw 13 l10 h10 rw 14 l11 h11 rw 15 l12 h12 rw
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 21 6.2.10 temperature register ( address 0x0 ) figure 24 : temperature value register addr: 0x0 bit bit name 0 0 1 0 2 0 3 0 4 t1 5 t2 6 t3 7 t4 8 t5 9 t6 10 t7 11 t8 12 t9 13 t10 14 t11 15 t12 the temperature register contains the digitally converted temperature value and can be read by setting the index pointer to the tval register (0x0). two consecutive bytes must be read to obtain the complete temperatur e value. the msb byte (bi ts 15 to 8) is transmitted upon the first read a ccess and the lsb byte (bits 7 to 0) is transmitted after the second read access . the least significant bits 3 to 0 are set to 0. a temperature value is represented as a two complement value in order to cove r also negative values. after power - up, the temperature value is read as 0c until the first conversion has been completed. one lsb corresponds to 0.0625c. the binary values can be calculated according to the following formulas: positive values: |value| / lsb negative values: complement (|value| / lsb ) + 1
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 22 example 75c: 75 ? / 0 . 0625 ? = 1200 = ?????? 0100 1011 0000 = ??? 4 ? 0 example - 40c: | ? 40 ? | / 0 . 0625 ? + 1 = 640 + 1 = ?????? 0010 1000 0000 + 1 = 1101 0111 1111 + 1 = 1101 10000 0000 = ??? ? 80 figur e 25 : temperature conversion examples temperature (c) digital output (binary) digital output (hex) 100.0 0110 0100 0000 640 75.0 0100 1011 0000 4b0 50.0 0011 0010 0000 320 25.0 0001 1001 0000 190 0.125 0000 0000 0010 002 0.0625 0000 0000 0001 001 0.0 0000 0000 0000 000 - 0.0625 1111 1111 1111 fff - 0.125 1111 1111 1110 ffe - 25.0 1110 0111 0000 e70 - 40 .0 1101 1000 0000 d80 6.3 serial interface the device employs a standard i2c - serial bus. 6.3.1 bus description a data transfer must be invoked by a master device (e.g. microcontroller) which de - fines the access to the slave device. the master device defines and generates the serial clock (scl) and the start/stop conditions. in order to address a specifi c device, a start condition has to be generated by the master device by pulling the data line (sda) from a logic high level to a logic low lev - el while the serial clock signal (scl) is kept at high level.
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 23 after the start condition, the slave address byte i s transmitted which is completed with a ninth bit which indicates a read (bit=1) or a write operation (bit=0) respectively. all slaves read the data on the rising edge of the clock. an acknowledge signal is generated by the addressed slave during the n inth clock pulse. this acknowledge signal is produced by pulling the pin sda to a low level by the selected slave. subsequently, the byte data transfer is started and finished by an acknowledge bit. a change in the data signal (sda) while the clock signal (scl) is high causes a start or stop condition. hence, it must be ensured such a condition is prevented during a data transfer phase. after completing the data transfer, the master gen erates a stop condition by pull ing the data line (sda) from low level to high level while the clock signal (scl) is kept at high level. 6.3.2 data interface a bus connection is created by connecting the open drain input/output lines sda and scl to the two wire bus. the inputs of sda and scl feature schmitt - trigger inputs as well as low pass filters in order to suppress noise on the bus line. this improves the robustness against spikes on the two wire interface. both fast transmission mode (1khz to 400khz) and high - speed transmission mode (1khz to 3.4mhz) are employed to cover differe nt bus speed settings. any data transfer transmits the msb first and the lsb as last bit. 6.3.3 bus address a slave address consists of seven bits, followed by a data direction bit (read/write operation). the slave address can be selected from a pool of two diff erent address settings by connecting the input pin add0 to an appropriate signal as summarized in the following table. the add0 must not be left unconnected. figure 26 : i2c address select configuration add0 connection device addres s (bin) device address (hex) vss 0100 1000 0x48 vdd 0100 1001 0x49 6.3.4 read/write operation in order to access an internal data register, the index register must be written in advance. this register contains the actual register address and selects the appropriate register for an access. a typical
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 24 transfer consists of the transmission of the slave address with a write operation indication, followed by the transmission of the register address and is finalized with the actual register content data transfer . this implies that every write operation to the temperature sensor device requires a value for the index register prior to the transmission of the actual register data. the index register defines the register address for both the write and read operation. consequently, if a read operation is executed, the register address is taken from the index register which was defined from the last write operation. if a different register needs to be read, the index register has to be written in advance to define the new register address. this is accomplished by transmitting the slave address with a low r/w bit, followed by the new content of the index register. subsequently, the master provokes a start condition on the bus and transmits the slave address with a high r /w bit in order to initiate a read operation. since the index register always keeps its last value, reads can be executed repetitively on the same register. similarly to the byte transfer where the msb is transmitted first, the transfer of a 16 - bit word is executed by a two byte transfer whereas the msb byte is always trans - mitted first. 6.3.5 slave operation the device employs a slave functionality only (slave transmitter and slave receiver) and cannot be operated as a bus master. consequently, the device neve r actively drives the scl line . 6.3.6 slave receiver mode any transmission is invoked by the master device by transmitting the slave address with a low r/w bit. subsequently, the slave device acknowledges the reception of the valid address by pulling the ninth bit to a low level. following to acknowledge, the master transmits the content of the index register. this transfer is again acknowl edged by the slave device. the next data byte(s) are w ritten to the actual data regis ter which is selected by the index regi ster while each transfer is acknowledged upon a completed transfer by the slave device. a data tran sfer can be finished if the mas ter transmits a start or a stop condition on the bus. 6.3.7 slave transmitter the master transmits the slave address with a high r/w bit. in turn, the slave acknowledges a valid slave address. subsequently, the slave transmits the msb byte of the actual selected data register by the index register. after the msb byte transmission, acknowledge is sent by the master. afterwards, the lsb byte is transmitted by the slave which is also acknowledged by the master after the completed transmission. the data transfer can be termi nated by the master by transmit ting a not - acknowledge after the transmitted slave data or by invoking a start or a sto p condition on the bus.
document feedback AS6200C regis ter description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 25 6.3.8 alert function if the device is configured for an interrupt mode operation (im=1), the alert output can be used as an alert signal. if the polarity bit is set to 0 (pol=0), the alert condition bit is set to 0 in case the temp erature has exceeded the configured value in register thigh. accordingly, the alert condition bit is set to 1 if the temperature has fallen below the configured value in register tlow. if the polarity bit is set to 1 (pol=1), the alert condit ion bit is inverted. the follow ing table summarizes the status of the alert condition bit with different alert condi tions and polarity configurations. figure 27 : alert condition bit polarity bit alert condition alert condition bit (ac - bit) 0 t thigh 0 0 t tlow 1 1 t thigh 1 1 t tlow 0 6.3.9 high speed mode the bus operation is limited to 400khz unless a high speed command is issued by the master device as the first byte after a start condition. this switches the bus to a high speed operation which allows data transfer frequencies up to 3.4mhz. such a command is not acknowledged by the slave but the input filter time constants on the serial interface (sda and scl) are adapted to allow the higher transfer rate. after a high speed comma nd, the slave address is transmitted by the master in or - der to invoke a data transfer. the bus keeps operat ing at the higher operating fre quency until the master issues a stop condition on the serial bus. upon the reception of the stop condition by the sl ave, the input filters are switched to their initial time constants which allow lower transfer rates only. figure 28 : summary of bus commands command address data value device initialization 0000 0110 general address acquire not supported high speed command 0000 1xxx
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 26 6.3.10 timeout function the serial interface of the slave device is reset if the clock signal scl is kept low for typ. 30ms. such a condition results in a release of the data line by the slave in case it has been pulled to low level. the slave remains inactive after a timeout and waits for a new start command invoked by the bus master. in order to prevent a timeout, the bus transfer rate must be higher than 1khz. 6.3.11 bus conditions the following conditions occur on the seria l bus whic h is compatible to the i2c - bus. bus idle the signals sda and scl are not actively driven and pulled to a high level by an ex ternal pull - up resistor. start data transfer a transition of the sda input from high to low level while the scl signal is kept at high level results in a start condition. such a start condition must precede any data transfer. stop data transfer a transition of the sda input from low to high level while the scl signal is kept at high level results in a stop condition. any data transfer is finished by genera ting a stop or start condition. data transfer the master device defines the number of data bytes between a start and stop condition and there is no limitation in the amount of data to be transmitted. if it is desired to read only a single msb byte without the lsb byte, a termination of the data transfer can be provoked by issuing a star t or stop condition on the bus. acknowledge it is mandatory for each slave device to respond with acknowledge if the device is addressed by th e master. acknowledge is indicated by pulling down the data line (sda) while the clock signal (scl) is high in the acknowledge clock phase. in order to avoid an unwanted start or stop condition on the bus, setup and hold times must be met. the master can s ignal an end of data transmission by transmitting a not - acknowledge on the last transmitted data byte by keeping the acknowledge bit at high level.
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 27 6.3.12 timing characteristics figure 29 : serial interface timing diagram figure 30 : bus timing specifications parameter symbol fast mode high speed mode scl clock frequency f scl 0.001 0.4 0.001 3.4 mhz bus free time between stop and start condition t buf 600 160 ns hold time after repeated start condition t hdsta 100 100 ns repeated start condition setup time t susta 100 100 ns data in hold time t hddat 10 10 ns data out hold time ( 1 ) t dh 100 100 ns data setup time t sudat 100 10 ns scl clock low period t low 1300 160 ns scl clock high period t high 600 60 ns clock/data fall time t f 300 160 ns clock/data rise time t r 300 160 ns clock/data rise time for scl 100 khz t r 1000 ns (1) the device will hold the sda line high for 100 ns during the falling edge of the scl . s c l s d a s t o p s t a r t s t a r t s t o p t b u f t h d s t a t l o w t r i s e t h i g h t f a l l t s u s t a t s u d a t t h d d a t t s u s t o
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 28 6.3.13 timing diagrams the following timing diagrams depict the different bus operation modes and data transmission : figure 31 : timing diagram for word write 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 s c l s d a 1 0 0 1 0 a 1 a 0 r / w 0 0 0 0 0 0 i x 1 i x 0 s t a r t b y m a s t e r v a l u e s a r e d e f i n e d b y a d d 0 p i n s e t t i n g f r a m e 1 : s l a v e a d d r e s s b y t e f r a m e 2 : i n d e x r e g i s t e r b y t e 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 s c l s d a f r a m e 3 : m s b d a t a b y t e f r a m e 4 : l s b d a t a b y t e d 7 d 6 d 5 d 4 d 3 d 2 d 1 d 0 d 6 d 5 d 4 d 3 d 2 d 1 d 7 d 0 ( c o n t i n u e d ) ( c o n t i n u e d ) a c k n o w l e d g e b y s l a v e a c k n o w l e d g e b y s l a v e a c k n o w l e d g e b y s l a v e a c k n o w l e d g e b y s l a v e s t o p b y m a s t e r
document feedback AS6200C register description datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 29 figure 32 : timing diagram for word read
document feedback AS6200C application information datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 30 7 application information figure 33 : typical application for the AS6200C temperature sensor in figure 33 the connections of the AS6200C temperature sensors to a microcontroller and the supply voltage are shown. the AS6200C is connecte d to a microcontroller via an i2c bus (sda and scl only). additionally the alert output can also be used for temperature monitoring (e.g. using the interrupt mode, refer to im bit settings), an example is given in figure 33 where the alert output is connected to micro co ntroller. the i2c of the AS6200C address of the can be selected by connecting the add0 pin to vdd or vss (refer to figure 26 ). this pin must not be left unconnected. micro - controller ( bus master ) vdd 10 nf vdd address select slave serial interface interrupt pull - up resistor s r pu sda vdd add 0 scl alert vss as 6200 c
document feedback AS6200C application information datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 31 7.1 external components figure 34 : schematic with external components figure 35 : values for external components parameter min max unit decoupling capacitor 10 nf pull up resistors 10 15 k in figure 34 and figure 35 the schematics and the recommended values for external components are shown. the decoup ling capacitor for the supply should have a value of at least 10 nf. the pull up resistors on the serial interface and the interrupt also depend on the bus capacitance and on the clock speed. vdd decoupling cap vdd slave pull - up resistor s r pu sda vdd add 0 scl alert vss as 6200 c scl alert sda
document feedback AS6200C package drawings & markings datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 32 8 package drawings & markings figure 36 : wlcsp package outline drawing ref. min nom max x 1450 1530 y 960 1040 ax 325 dx 400 ay 280 dy 400 d 250 thickness (after reflow) 525 (1) all dimensions are in millimeters. angles in degrees. (2) dimensioning and tolerance conform to asme y14.5m - 1994. (3) this package contains no lead (pb). (4) this drawing is subject to change without notice. rohs g r een
document feedback AS6200C package drawings & markings datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 33 figure 37 : wlcsp package marking/code xxxx encoded datecode the actual datecode is transformed in accordance to assy - 346 to the four letter converted assembly code xxxx. please refer to assy - 346 for further information. l xxxx as 6 mcc
document feedback AS6200C revision information datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 34 9 revision information document status product status definition product preview pre - development information in this datasheet is based on product id eas in the planning phase of development. all specifications are design goals without any warranty and are subject to change without notice preliminary datasheet pre - production information in this datasheet is based on products in the design, validation o r qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice datasheet production information in this datasheet is based on products in ramp - up to full production or full production which conform to specifications in accordance with the terms of ams ag standard warranty as given in the general terms of trade datasheet (discontinued) discontinued information in this datasheet is based on products wh ich conform to specifications in accordance with the terms of ams ag standard warranty as given in the general terms of trade, but these products have been superseded and should not be used for new designs changes from v1 - 00 to current revis ion v 2 - 01 page v ersion 1 - 00 to 2 - 00 figure 1: added specification for temperature range - 30c to - 20c 3 figure 1: corrected temperature range for 0.4c accuracy (+20 to +50c) 3 figure 6 : removed + in the max accuracy column, added c value 9 figure 6 : corrected temperature range for 0.25c accuracy ( - 20 to - 10c) 9 figure 6 : added specification for temperature range - 30c to - 20c 9 v ersion 2 - 00 t o 2 - 01 figure 5: correct ed max junction temperature 8 page and figure numbers for the previous version may differ from page and figure numbers in the current revision. correction of typographical errors is not explicitly mentioned.
document feedback as62 00c legal information datasheet ? public ds000563 ? v2 - 01 ? 2018 - apr - 13 35 35 10 legal information copyrights & disclaimer copyright ams ag, tobelbader strasse 30, 8141 premstaetten, austria - europe. trademarks registered. all rights reserved. the material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. devices sold by ams ag are covered by the warranty and patent indemnification provisions appearing in its general terms of trade. ams ag makes no warranty, express, statutory, implied, or by description regarding the information set forth herein. a ms ag reserves the right to change specifications and prices at any time and without notice. ther efore, prior to designing this product into a system, it is necessary to check with ams ag for current information. this product is intended for use in commercial applications. applications requiring extended temperature range, unusual environmental requir ements, or high reliability applications, such as military, medical life - support or life - sustaining equipment are specifically not recommended without additional processing by ams ag for each application. this product is provided by ams ag as is and any express or implied warranties, including, but not limited to the implied warranties of merchantability and fitness for a particular purp ose are disclaimed. ams ag shall not be liable to recipient or any third party for any damages, including but not limite d to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical d ata herein. no obligation or liability to recipient or any third party shall arise or flow out of ams ag rendering of technical or other services. rohs compliant & ams green statement rohs compliant: the term rohs compliant means that ams ag products fully comply with current rohs directives. our semiconductor products do not contain any chemicals for all 6 substance categories, including the requirement that lead not exceed 0.1% by weight in homogene ous materials. where designed to be soldered at high temperatures, rohs compliant products are suitable for use in specified lead - free processes. ams green (rohs compliant and no sb/br): ams green defines that in addition to rohs compliance, our products are free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material). important information: the information provided in this statement represents ams ag knowledge and belief as of the date that it is provided. ams ag bases its knowledge and belief on information provided by third parties, and makes no representation o r warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ams ag has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ams ag and ams ag suppliers consider certain inform ation to be proprietary, and thus cas numbers and other limited information may not be available for release. headquarters ams ag tobelbader s trasse 30 8141 premstaetten austria, europe tel: +43 (0) 3136 500 0 please visit our website at www.ams.com buy our products or get free samples online at www.ams.com/icdirect technical support is available at www.ams.com/technical - support provide feedback about this document at www.ams.com/ document - feedback for sales offices, distributors and representatives go to www.ams.com/contact for further information and requests, e - mail us at ams_sales@ams.com

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